package com.itzh.nio;

import java.io.IOException;
import java.net.InetSocketAddress;
import java.nio.ByteBuffer;
import java.nio.channels.SocketChannel;

public class NIOClient {
    public static void main(String[] args) throws IOException {
        //得到一个网路通道
        SocketChannel socketChannel = SocketChannel.open();

        //设置非阻塞模式
        socketChannel.configureBlocking(false);

        //提供服务器端的 ip 和 端口
        InetSocketAddress inetSocketAddress = new InetSocketAddress("127.0.0.1", 6666);

        //连接服务器
        if(!socketChannel.connect(inetSocketAddress)){
            while(!socketChannel.finishConnect()){
                System.out.println("因为连接需要时间，客户端不会阻塞，可以做其他工作...");
            }
        }
        //如果连接成功，就发送数据
        String str  = "hello,嗨皮";
        ByteBuffer byteBuffer = ByteBuffer.wrap(str.getBytes());
        //发送数据，将buffer数据写入channel
        socketChannel.write(byteBuffer);
        System.in.read();
    }
}
